import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users'
import Guests from '../components/guest/Guests'
import Info from '../components/info/Info'
import AddHouse from '../components/house/AddHouse'
import Idle from '../components/house/Idle'
import Sold from '../components/house/Sold'
Vue.use(VueRouter)

const routes = [
  {
    path: '/',
    redirect: '/login'
  },
  {
    path: '/login',
    component: Login
  },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [{
      path: '/welcome',
      component: Welcome
    }, {
      path: '/users',
      component: Users
    },{
      path: '/guests',
      component: Guests
    },{
      path: '/update',
      component: Info
    },{
      path: '/addHouse',
      component: AddHouse
    },{
      path: '/idle',
      component: Idle
    },{
      path: '/sold',
      component: Sold
    }
    ]

  }

]

const router = new VueRouter({
  routes
})
// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to将要访问的路径
  // from代表从哪个路径跳转而来
  //  next是一个函数，表示放行
  // next() 放行 next('/login') 强制跳转
  if (to.path === '/login') return next()
  // 获取session
  const sessionStr = window.sessionStorage.getItem('session')
  if(!sessionStr) return next('/login')
  next()
})

export default router
